It's a type of drug, I'm pretty sure it's related to ecstacy in some way. Please do not do drugs, they're very harmful to not only you and your body but the people surrounding you, stay safe!
Answer:
A religion
Explanation:
Many times a saintanist will do death ritual for their religion.
The answer is B, because the other ones either have nothing to do with fitness or are not benefits.
The answer is D.I.D. aka dissociative identity disorder.
It is important to consider the source of health information because anyone can write information down on the internet or in journals. This information may be incorrect and harmful to the human body. It is best to know that your information is coming from a reliable, trustworthy source that knows what they are talking about over an unreliable and untrustworthy source. If you look for information on how to get rid of a headache and stumble upon a unknown website that is untrustworthy then you could possibly end up causing your body more harm then before. Knowing who is behind a certain information holds that person/people accountable if your are further harmed using their information but it also put you at less risk for harm.
Hope this helps :)